Form of Stock Option Award Agreement for Executive Officers under the AdvanSix Inc. 2016 Stock Incentive Plan, as Amended and Restated

STOCK OPTION AWARD AGREEMENT (this “Agreement”), as of [GRANT DATE] (the “Grant Date”), between AdvanSix Inc. (the “Company”) and the employee of the Company (the “Employee”) designated as receiving a grant of Stock Options by the Company.

1.Grant of Option. The Company has granted you an Option to purchase Shares of Common Stock, subject to the provisions of this Agreement and the 2016 Stock Incentive Plan of AdvanSix Inc. and its Affiliates, as Amended and Restated (the “Plan”). This Option is a nonqualified Option.

Please refer to the “Summary of Award” that can be found on the Bank of America Merrill Lynch website at www.benefits.ml.com. Your Summary of Award, which sets forth the number of Stock Options granted to you by the Company pursuant to this Agreement and the Grant Date (along with other information about this Award), is hereby incorporated by reference into, and shall be read as part of, this Agreement. The Company reserves the right to change or correct any information contained on the Bank of America Merrill Lynch website (including the Summary of Award) to reflect the terms of the grant actually made by the Company on the Grant Date.

2.Exercise Price. The purchase price of the Shares covered by the Option will be $[EXERCISE PRICE] per Share (“Exercise Price” or “Grant Price”).

3.Vesting. Except in the event of your death, Disability, Retirement or as otherwise provided in Section 8 of this Agreement relating to a Change in Control, the Option will become exercisable as provided on the Vesting Schedule attached as Schedule A, which is incorporated into and made a part of this Agreement.

4.Term of Option. The Option must be exercised prior to the close of the New York Stock Exchange (“NYSE”) on the day before the tenth anniversary of the Grant Date (the “Expiration Date”), subject to earlier termination or cancellation as provided below. If the NYSE is not open for business on the Expiration Date, the Option will expire at the close of the NYSE on the business day immediately preceding the Expiration Date.

5.Payment of Exercise Price. Payment of the Exercise Price may be made in cash, certified check, bank draft, wire transfer, postal or express money order; or any of the following methods elected by you, subject to the Committee’s discretion:

Notwithstanding the foregoing, you may not tender any form of payment that the Committee determines, in its sole and absolute discretion, could violate any law or regulation

6.Exercise of Option. Subject to the terms and conditions of this Agreement, the Option may be exercised by delivering a properly executed exercise notice to the Company. If the Option is exercised after your death, the Company will deliver Shares only after the Company has determined that the person exercising the Option is the duly appointed executor or administrator of your estate or the person to whom the Option has been transferred by your will or by the applicable laws of descent and distribution.

7.Termination, Retirement, Disability or Death. The Option will vest and remain exercisable as follows:

Except as expressly provided herein, all rights hereunder shall cease to accrue as of the date of your Termination of Service with the Company and its Affiliates. You will forfeit the unvested portion of any award and all rights to continue vesting in awards shall cease as of the date of Termination of Service. Further, you will not be entitled to receive additional awards hereunder after Termination of Service.

8.Change in Control. In the event of a Change in Control, the following provisions apply:

a.Cashout of Awards. Unless assumed, substituted or continued in accordance with Section 5.4(a) of the Plan, any portion of the Option that has not vested or terminated as of the date of the Change in Control shall vest and become exercisable in full as of immediately prior to the Change in Control.

b.Rollover of Awards. If assumed, substituted or continued in accordance with Section 5.4(a) of the Plan, the Option shall remain outstanding and be continued in accordance with its applicable terms, and vesting shall not be accelerated; provided, however, if you incur an involuntary Termination of Service not for Cause (as defined in Section 2.6 of the Plan) or a voluntary Termination of Service for Good Reason (as defined in Section 5.4(c) of the Plan) on or before the second anniversary of the date of a Change in Control, any portion of the Option that has not vested or terminated as of your Termination of Service shall vest as of your Termination of Service and become exercisable in full as of the date of such Termination of Service. For purposes of the Exercise Period, such a termination shall be considered an Involuntary Termination not for Cause or, if applicable, a Retirement, under Section 7 of this Agreement.

9.Withholdings. The Company or your local employer shall have the power and the right to deduct or withhold, or require you to remit to the Company or your local employer, an amount sufficient to satisfy taxes imposed under the laws of any country, state, province, city or other jurisdiction, including but not limited to income taxes, capital gain taxes, transfer taxes, and social security contributions, and National Insurance Contributions, that are required by law to be withheld with respect to the grant of the Option, any exercise of the your rights under this Agreement, the sale of Shares acquired from the exercise of the Option, and/or payment of dividends on Shares acquired pursuant to the Option. You may elect to satisfy any such tax withholding obligations using any of the Exercise Price payment methods described in Section 5 above, in the Committee’s discretion.

10.Transfer of Option. You may not transfer the Option or any interest in the Option except by will or the laws of descent and distribution or except as permitted by the Committee and as specified in the Plan. Any other attempt to dispose of your interest will be null and void.

a.General. The Award is expressly contingent upon you complying with the terms, conditions and definitions contained in this Section 11 and in any other agreement that governs your noncompetition with the Company and its Affiliates, your nonsolicitation of employees, customers, suppliers, business partners and vendors of the Company and its Affiliates, and/or your conduct with respect to trade secrets and proprietary and confidential information of the Company and its Affiliates.

b.Remedies.

1.You expressly agree and acknowledge that the forfeiture provisions of subsection 11.b.2. of this Agreement shall apply if, from the Grant Date until the date that is twenty-four (24) months after your Termination of Service for any reason, you (i) enter into an employment, consultation or similar agreement or arrangement (including any arrangement for service as an agent, partner, stockholder, consultant, officer or director) with any entity or person engaged in a business in which the Company or its Affiliates are engaged if the business is competitive (in the sole judgment of the Committee) with the Company or its Affiliates and the Committee has not approved the agreement or arrangement in writing, or (ii) make any statement, publicly or privately (other than to your spouse and legal advisors), which would be

disparaging (as defined below) to the Company or its Affiliates or their businesses, products, strategies, prospects, condition, or reputation or that of their directors, employees, officers or members, or (iii) write or contribute to a book, article or other media publication, whether in written or electronic format, that is in any way descriptive of the Company or its Affiliates or your career with the Company or its Affiliates without first submitting a draft thereof, at least thirty (30) days in advance, to the Company’s Senior Vice President, General Counsel and Corporate Secretary or his or her delegate, whose judgment about whether such book, article or other media publication is disparaging shall be determinative; or such a book, article or other media publication is published after a determination that it is disparaging; provided, however, that nothing herein shall preclude you from reporting (in good faith) possible violations of federal law or regulation to any governmental agency or entity, including but not limited to, the Department of Justice, the Securities and Exchange Commission, the Congress, and/or any agency Inspector General, or making any other disclosures that are protected under the whistleblower provisions of federal or state law or regulation, or from otherwise making any statement (in good faith) which is required by any applicable law or regulation or the order of a court or other governmental body.

For purposes of this subsection 11.b.1, the term “disparaging” shall mean any statement or representation (whether oral or written and whether true or untrue) which, directly or by implication, tends to create a negative, adverse, or derogatory impression about the subject of the statement or representation or which is intended to harm the reputation of the subject of the statement or representation.

2.In addition to the relief described in any other agreement that governs your noncompetition with the Company and its Affiliates, your nonsolicitation of the employees, customers, suppliers, business partners and vendors of the Company or its Affiliates, and/or your conduct with respect to the trade secrets and proprietary and confidential information of the Company and its Affiliates, if the Committee determines, in its sole judgment, that you have violated the terms of any such agreement, or you have engaged in an act that violates subsection 11.b.1. of this Agreement, (i) any portion of the Option you have not exercised (whether vested or unvested) shall immediately be cancelled, and you shall forfeit any rights you have with respect to the Option as of the date of the Committee’s determination, and (ii) you shall immediately deliver to the Company Shares equal in value to the amount of any profit you realized upon an exercise of the Option during the period beginning twelve (12) months prior to your Termination of Service and ending on the date of the Committee’s determination.

3.Notwithstanding anything in the Plan or this Agreement to the contrary, you acknowledge that the Company may be entitled or required by law, Company policy or the requirements of an exchange on which the Shares are listed for trading, to recoup compensation paid to you pursuant to the Plan, and you agree to comply with any Company request or demand for recoupment.

12.    Adjustments. Any adjustments to the Option will be governed by Section 5.3 of the Plan.

13.     Restrictions on Exercise. Exercise of the Option is subject to the conditions that, to the extent required at the time of exercise, (i) the Shares covered by the Option will be duly listed upon the New York Stock Exchange (or any other securities exchange on which the Shares may be listed), and (ii) a Registration Statement under the Securities Act of 1933 with respect to the Shares will be effective. The Company will not be required to deliver any Common Stock until all applicable federal and state laws and regulations have been complied with and all legal matters in connection with the issuance and delivery of the Shares have been approved by counsel for the Company.

14.    Disposition of Securities. By accepting the Award, you acknowledge that you have read and understand the Company’s policy, and are aware of and understand your obligations under applicable securities laws in respect of trading in the Company’s securities, and you agree not to use the Company’s “cashless exercise” program (or any successor program) at any time when you possess material nonpublic information with respect to the Company or when using the program would otherwise result in a violation of securities law. The Company will have the right to recover, or receive reimbursement for, any compensation or profit you realize on the exercise of the Option or by the disposition of Shares received upon exercise of the Option to the extent that the Company has a right of recovery or reimbursement under applicable securities laws.

15.    Plan Terms Govern. The exercise of the Option, the disposition of any Shares received upon exercise of the Option, and the treatment of any gain on the disposition of these Shares are subject to the provisions of the Plan and any rules that the Committee may prescribe. The Plan document, as may be amended from time to time, is incorporated into this Agreement. Capitalized terms used in this Agreement have the meaning set forth in the Plan, unless otherwise stated in this Agreement. In the event of any conflict between the terms of the Plan and the terms of this Agreement, the Plan will control. By accepting the Award, you acknowledge that the Plan and the Plan prospectus, as in effect on the date of this Agreement, have been made available to you for your review.

17.    Discretionary Nature and Acceptance of Award. By accepting this Award, you agree to be bound by the terms of this Agreement and acknowledge that:

18.    Limitations. Nothing in this Agreement or the Plan gives you any right to continue in the employ of the Company or any of its Affiliates or to interfere in any way with the right of the Company or any Affiliate to terminate your employment at any time. Payment of Shares is not secured by a trust, insurance contract or other funding medium, and you do not have any interest in any fund or specific asset of the Company by reason of the Option. You have no rights as a stockholder of the Company pursuant to the Option until Shares are actually delivered to you.

19.    Incorporation of Other Agreements. This Agreement and the Plan constitute the entire understanding between you and the Company regarding the Option. This Agreement supersedes any prior agreements, commitments or negotiations concerning the Option.

20.    Severability. The invalidity or unenforceability of any provision of this Agreement will not affect the validity or enforceability of the other provisions of the Agreement, which will remain in full force and effect. Moreover, if any provision is found to be excessively broad in duration, scope or covered activity, the provision will be construed so as to be enforceable to the maximum extent compatible with applicable law.

21.    Governing Law. The Plan, this Agreement, and all determinations made and actions taken under the Plan or this Agreement shall be governed by the internal substantive laws, and not the choice of law rules, of the State of Delaware and construed accordingly, to the extent not superseded by applicable federal law.

22.    Successors and Assigns of the Company. The terms and conditions of this Agreement shall be binding upon and shall inure to the benefit of the Company and its successors and assigns.

23.    Acknowledgements. By accepting this Agreement, you agree to the following: (i) you have carefully read, fully understand and agree to all of the terms and conditions described in this Agreement, the Plan, the Plan’s prospectus and all accompanying documentation; and (ii) you understand and agree that this Agreement and the Plan constitute the entire understanding between you and the Company regarding the Option, and that any prior agreements, commitments or negotiations concerning the Option are replaced and superseded.

24.    Award Acceptance. To retain this Award, you must accept it by electronically signing the Agreement on the Bank of America Merrill Lynch website and, by electronically signing this Agreement, you will be deemed to consent to the application of the terms and conditions set forth in this Agreement and the Plan. If you do not wish to accept this Award, you must contact AdvanSix Inc., 300 Kimball Drive, Suite 101, Parsippany, New Jersey 07054 in writing within thirty (30) days of the Award Date, or otherwise this Award shall for all purposes be deemed accepted.